Trăns'mu-tā'tion, n.

[Fr. transmutation, Pr. transmutacio, trasmutacio, Sp. transmutacion, trasmutacion, It. trasmutazione, trasmutagione, Lat. transmutatio.]

1. The act of transmuting, or the state of being transmuted; as, the transmutation of metals.
2. (Geom.) The change or reduction of one figure or body into another of the same area or solidity, but of a different form, as of a triangle into a square.
3. (Physiol.) The change of one species into another, which is assumed to take place in any development-theory of life.